Replacing a TS-412

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hhman
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Replacing a TS-412

Post by hhman » Mon Jun 14, 2021 9:25 pm

Hi,
I am looking into a replacement unit or an old TS-412, which has been running almost continuously in a home user setting for 9 years with a 3 TB mirror+1.5 TB mirror, both almost full.
I have been out of the hardware sector for years so understanding the current options is a bit difficult, as I do not even know any more for which question I should find answers.
Current Usage is slightly less than 4.5 TB. There are a small bunch (3-6) of very lightly used W10 clients (no AD or other stuff), one client with low load but continuous random access, and a couple of clients sometimes running Kodi on Windows from Qnap shares.
One on-Nas service: backup of a few folders to Google Drive (only a few 100 GBs but many small files).
Currently there is no interest for other NAS-based services or online connectivity (except upgrades and notifications emails).

Target is about 6TB and long life, "medium" price (does not need to be the cheapest of all, should not sport an enterprise level cost).
Considering the long-term light media streaming could be a considerations but is not really an important point.

I suppose the couple of mirrors these days will become a Raid5, unless it becomes a two-disk mirror (for 6TB+?).
First question: should I aim to (server) SSDs (whatever format) instead of rotating platter? Home setting, so of course cost is a point here. Need for scheduled drive replacements after say 5 years is acceptable (if the same unit will still be running). Attraction point is mechanical resilience, not the better speed.
In either case, which kind of disks should I look into these days? Size/number/quality/brands. At the time I used WD Green platters due to low(er) sound output and long life with acceptable price.
Second question obviously is which NAS Model/Series could be enough, where should I aim at considering a bit growth margin. TS-431k? TS-351 with 3-Disk Raid and M2 Cache? TS-451+? Ts-451D2?

These days I really should leave these decisions to a professional, but yeah, home settings, budget. I understand I should not ask without an idea about the max budget, but I am trying first to understand where I should aim technologically and maybe then decide the budget after knowing the implications.
Thanks!

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dolbyman
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Re: Replacing a TS-412

Post by dolbyman » Mon Jun 14, 2021 10:48 pm

4 disk device in raid5 (external backups of course) .. forget ssd's ..not needed for your sequential 1GbE environment

hhman
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Re: Replacing a TS-412

Post by hhman » Tue Jun 15, 2021 12:09 am

Thanks dolbyman (BTW wonderful profile pic), I suspected that. The "no disk crash when physically touched" (because Home setting, no rack or dedicated room) was a bit tempting but oh well. BTW UPS is already present, with fresh long life batteries every 5 years.

Anybody cares to give a general tip regarding disk series? 4 disk raid 5, aim to 6++TB means 2-3TB disks; again privileging lower noise level and higher long term stability over maximum speed?
Thanks

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dolbyman
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Re: Replacing a TS-412

Post by dolbyman » Tue Jun 15, 2021 1:21 am

Disks should be NAS disks

Ironwolf (pro)
Red (Plus,Pro) .. stay away from plain Red as they are SMR
Toshiba NAS
etc

hhman
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Re: Replacing a TS-412

Post by hhman » Tue Jun 15, 2021 1:25 am

Thanks again!

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dolbyman
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Re: Replacing a TS-412

Post by dolbyman » Tue Jun 15, 2021 1:29 am

Enterprise/Datacenter disks like ST Exos or WD Gold will work fine too (but are mostly more expensive than NAS disks)

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